Roua Mines (Clue de Roua), Daluis, Guillaumes, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France

34 caves or short galleries on the left side of the Var River.
Located uphill above hamlet, near the top of Gorges de Daluis cliffs.
French Lambert coordinates :
X=961.22, Y=203.76, Z=900
X=961.05, Y=203.40, Z=900

Ancient copper mines. Rich carbonate-based subvertical ore veinlets in veins in shale and sandstone (in red Upper Permian pelites).

Note: "Whitneyite", a non-IMA-approved phase, has been described in this mineralization.

References:
- Legrand, E. and P. Rostan (1986). La Clue de Roua, Gorges de Daluis (06). Le Cahier des Micromonteurs: 3.
- Mari, G. (1994). "Les indices cuprifères de Roua (Alpes Maritimes)." Minéraux et Fossiles (217), 7-11.
- Sarp, H., G. Mari, et al. (1999). La wallkilldellite-Fe, (Ca,Cu)4Fe6((As,Si)O4)4(OH)8.18H2O, un nouveau minéral de la mine de Roua (Alpes Maritimes, France). Riviéra Scientifique 83: 5-12.
- Sarp, H. and R. Serny (1999). Gilmarite, Cu-3(AsO4)(OH)(3), a new mineral: its description and crystal structure. European Journal of Mineralogy 11: 549-555.
- Sarp, H. and P. Cerny (2000). Rollandite, Cu3(AsO4)2.4H2O, a new mineral: its description and crystal structure. European Journal of Mineralogy 12.
- Sarp, H., Mari, G., Mari, D., Rolland, P., Lapeyre, L. (2000): Gilmarite, rollandite, théoparacelsite, radovanite, nouvelles espèces minérales de Roua (Daluis de Guillaumes, Alpes-Maritimes, France). Riviéra Scientifique, 84, 19-24.
- Mari, D. et al. (2001). "L'argent des mines de Roua Daluis et Guillaumes, Alpes-Maritimes." Le Règne Minéral (37), 35-40.
- Sarp, H., Černý, R. & Guenee, L. (2001): Rouaite, Cu2(NO3)(OH)3, un nouveau minéral: sa description et sa structure cristalline (Alpes-Maritimes, France). Riv. Scientifique 85, 3-12.
- Sarp, H. and L. Guenee (2002). Radovanite, Cu2Fe+++(As+++++O4)(As+++O2OH)2H2O, a new mineral: its description and crystal structure. Arch. Sc. 55: 47-55.
- Sarp, H. et al. (2003). Tillmannsite: (Ag3Hg)(V,As)O4, a new mineral: its description and crystal structure. European Journal of Mineralogy 15: 177-180.
- Mari, D. and Sarp, H. (2006). "Roua (Alpes-Maritimes, France)." Le Cahier des Micromonteurs (93), 125-130.

- http://www.mindat.org/mesg-20-73001.html